Chord · F# Major 6th
F♯6 Chord
F♯6 is F#, A#, C# and D# — sweet, jazzy alternative to a major triad.
F♯6 on every instrument
The same 4 notes, 6 sets of hands. Open a diagram for alternate shapes, audio and the mistakes to avoid.
What F♯6 is made of
F# Major 6th (F# major 6th) is built from the notes F#, A#, C#, D#, with the interval pattern 1, 3, 5, 6. A common major 6th chord across many styles.
Stack 1, 3, 5 and 6 on a root of F♯ and you get F#, A#, C# and D#. That interval recipe is what makes the chord a sixth chord — move the same shape to another root and the character travels with it, which is why C6 sounds like a transposed F♯6.
Major 6th: Sweet, jazzy alternative to a major triad.
Spelling: the notes above are written the way a score would write them, not simplified to the nearest piano key. That is why this chord is spelled with F♯ rather than its enharmonic equivalent.
Keys that contain F♯6
All 4 notes sit inside the scale of 12 keys. The roman numeral marks the degree the chord is rooted on.
Major keys
Other chords on F♯
Same root, different colour.
The same sixth shape, moved
The identical interval recipe, built on other roots.
Questions people ask about F#6
- What notes are in the F#6 chord?
- F#6 is made of F#, A#, C# and D# — the 1, 3, 5 and 6 degrees of a sixth chord built on F#.
- What keys use the F#6 chord?
- Every note of F#6 belongs to 12 keys: B Major (V), Db Major (IV), F# Major (I), Gb Major (I), C# Major (IV), Cb Major (V), Bb Minor (VI), G# Minor (VII), D# Minor (III), Eb Minor (III), A# Minor (VI), Ab Minor (VII). The roman numeral is the scale degree the chord is rooted on.
- How do you play F#6 on guitar and piano?
- This page shows F#6 on guitar, piano, ukulele, bass, mandolin and banjo — 9 voicings in total. Each diagram links to the full instrument page with alternate shapes, audio and common mistakes.
- Is F#6 the same as Gb6?
- Yes. F#6 and Gb6 are enharmonic — identical pitches written two different ways. Which spelling you use depends on the key you are in; F#6 is the spelling this site treats as canonical.
Learn the theory behind it
Why F♯6 behaves the way it does — the guides that explain the chord instead of just spelling it.